Ensure touch handler state on Android is accurate after preload

content/browser/renderer_host/input/input_router_impl.cc

Index: content/browser/renderer_host/input/input_router_impl.cc
diff --git a/content/browser/renderer_host/input/input_router_impl.cc b/content/browser/renderer_host/input/input_router_impl.cc
index 522758c0abe2b02e3d98969f219c386868d77ea6..370a990144a724bfa9e5a0bdacf0fb48157e78d3 100644
--- a/content/browser/renderer_host/input/input_router_impl.cc
+++ b/content/browser/renderer_host/input/input_router_impl.cc
@@ -498,6 +498,9 @@ void InputRouterImpl::OnSelectRangeAck() {
 }
 
 void InputRouterImpl::OnHasTouchEventHandlers(bool has_handlers) {
+  TRACE_EVENT1("input", "InputRouterImpl::OnHasTouchEventHandlers",

[jdduke (slow), 2014/01/16 22:53:05]

Is this spammy? If not, this should be fine, otherwise perhaps we could move it
down below the equality check?

+               "has_handlers", has_handlers);
+
   if (has_handlers == touch_event_queue_->has_handlers())
     return;
   touch_event_queue_->OnHasTouchEventHandlers(has_handlers);